subota, 12.09.2009.
At Large ...
At Large ...
CNN: The Slingshot boils, distills and vaporizes the polluted source, in turn delivering nothing but clean water to the other side. And it does it all on less electricity than it takes to run a hair dryer. ...
CNN: The Slingshot boils, distills and vaporizes the polluted source, in turn delivering nothing but clean water to the other side. And it does it all on less electricity than it takes to run a hair dryer. ...
... and it gives students an opportunity to show their technical stuff... but how about asking teams to try and help focus attention on the lack of clean water in many countries by raising money during FLL season to buy a Slingshot? ...
Last week we made a water balloon slingshot and took it out to Griffith Park to give it a try. What a blast! Here&s a little movie that Warren put together with the video footage and a few pictures: ...
CNN: The Slingshot boils, distills and vaporizes the polluted source, in turn delivering nothing but clean water to the other side. And it does it all on less electricity than it takes to run a hair dryer. ...
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